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2D materials coupled to hybrid metal-dielectric waveguides for THz technology
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2D materials coupled to hybrid metal-dielectric waveguides for THz technology
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2D materials coupled to hybrid metal-dielectric waveguides for THz technology
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Paper
2D materials coupled to hybrid metal-dielectric waveguides for THz technology
2018
Overview
In this letter, we propose hybrid metal-dielectric waveguides coupled to 2D materials that provide strong light-matter interaction at THz frequencies. We investigate the properties of the fundamental propagating modes and show that the strength of in-plane electric field components is maximized at the top of the dielectric strip on which the 2D material is deposited. Our simulation predicts 100 % modulation of THz light by tuning the Fermi level of a graphene sheet deposited onto a 1mm-long waveguide. We also show the potential of graphene multilayers coupled to these waveguides for achieving lasing at THz frequency. Our approach is compatible with CMOS or THz quantum cascade laser technologies.
Publisher
Cornell University Library, arXiv.org
